Alright, let's solve this math problem step by step. First, we have the number 581. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 428. So, we're going to take the number 581 and add it to itself 428 times.
Step 1: 0 + 581 = 581
Step 2: 581 + 581 = 1162
Step 3: 1162 + 581 = 1743
Step 4: 1743 + 581 = 2324
Step 5: 2324 + 581 = 2905
Step 6: 2905 + 581 = 3486
Step 7: 3486 + 581 = 4067
Step 8: 4067 + 581 = 4648
Step 9: 4648 + 581 = 5229
Step 10: 5229 + 581 = 5810
Step 11: 5810 + 581 = 6391
Step 12: 6391 + 581 = 6972
Step 13: 6972 + 581 = 7553
Step 14: 7553 + 581 = 8134
Step 15: 8134 + 581 = 8715
Step 16: 8715 + 581 = 9296
Step 17: 9296 + 581 = 9877
Step 18: 9877 + 581 = 10458
Step 19: 10458 + 581 = 11039
Step 20: 11039 + 581 = 11620
Step 21: 11620 + 581 = 12201
Step 22: 12201 + 581 = 12782
Step 23: 12782 + 581 = 13363
Step 24: 13363 + 581 = 13944
Step 25: 13944 + 581 = 14525
Step 26: 14525 + 581 = 15106
Step 27: 15106 + 581 = 15687
Step 28: 15687 + 581 = 16268
Step 29: 16268 + 581 = 16849
Step 30: 16849 + 581 = 17430
Step 31: 17430 + 581 = 18011
Step 32: 18011 + 581 = 18592
Step 33: 18592 + 581 = 19173
Step 34: 19173 + 581 = 19754
Step 35: 19754 + 581 = 20335
Step 36: 20335 + 581 = 20916
Step 37: 20916 + 581 = 21497
Step 38: 21497 + 581 = 22078
Step 39: 22078 + 581 = 22659
Step 40: 22659 + 581 = 23240
Step 41: 23240 + 581 = 23821
Step 42: 23821 + 581 = 24402
Step 43: 24402 + 581 = 24983
Step 44: 24983 + 581 = 25564
Step 45: 25564 + 581 = 26145
Step 46: 26145 + 581 = 26726
Step 47: 26726 + 581 = 27307
Step 48: 27307 + 581 = 27888
Step 49: 27888 + 581 = 28469
Step 50: 28469 + 581 = 29050
Step 51: 29050 + 581 = 29631
Step 52: 29631 + 581 = 30212
Step 53: 30212 + 581 = 30793
Step 54: 30793 + 581 = 31374
Step 55: 31374 + 581 = 31955
Step 56: 31955 + 581 = 32536
Step 57: 32536 + 581 = 33117
Step 58: 33117 + 581 = 33698
Step 59: 33698 + 581 = 34279
Step 60: 34279 + 581 = 34860
Step 61: 34860 + 581 = 35441
Step 62: 35441 + 581 = 36022
Step 63: 36022 + 581 = 36603
Step 64: 36603 + 581 = 37184
Step 65: 37184 + 581 = 37765
Step 66: 37765 + 581 = 38346
Step 67: 38346 + 581 = 38927
Step 68: 38927 + 581 = 39508
Step 69: 39508 + 581 = 40089
Step 70: 40089 + 581 = 40670
Step 71: 40670 + 581 = 41251
Step 72: 41251 + 581 = 41832
Step 73: 41832 + 581 = 42413
Step 74: 42413 + 581 = 42994
Step 75: 42994 + 581 = 43575
Step 76: 43575 + 581 = 44156
Step 77: 44156 + 581 = 44737
Step 78: 44737 + 581 = 45318
Step 79: 45318 + 581 = 45899
Step 80: 45899 + 581 = 46480
Step 81: 46480 + 581 = 47061
Step 82: 47061 + 581 = 47642
Step 83: 47642 + 581 = 48223
Step 84: 48223 + 581 = 48804
Step 85: 48804 + 581 = 49385
Step 86: 49385 + 581 = 49966
Step 87: 49966 + 581 = 50547
Step 88: 50547 + 581 = 51128
Step 89: 51128 + 581 = 51709
Step 90: 51709 + 581 = 52290
Step 91: 52290 + 581 = 52871
Step 92: 52871 + 581 = 53452
Step 93: 53452 + 581 = 54033
Step 94: 54033 + 581 = 54614
Step 95: 54614 + 581 = 55195
Step 96: 55195 + 581 = 55776
Step 97: 55776 + 581 = 56357
Step 98: 56357 + 581 = 56938
Step 99: 56938 + 581 = 57519
Step 100: 57519 + 581 = 58100
Step 101: 58100 + 581 = 58681
Step 102: 58681 + 581 = 59262
Step 103: 59262 + 581 = 59843
Step 104: 59843 + 581 = 60424
Step 105: 60424 + 581 = 61005
Step 106: 61005 + 581 = 61586
Step 107: 61586 + 581 = 62167
Step 108: 62167 + 581 = 62748
Step 109: 62748 + 581 = 63329
Step 110: 63329 + 581 = 63910
Step 111: 63910 + 581 = 64491
Step 112: 64491 + 581 = 65072
Step 113: 65072 + 581 = 65653
Step 114: 65653 + 581 = 66234
Step 115: 66234 + 581 = 66815
Step 116: 66815 + 581 = 67396
Step 117: 67396 + 581 = 67977
Step 118: 67977 + 581 = 68558
Step 119: 68558 + 581 = 69139
Step 120: 69139 + 581 = 69720
Step 121: 69720 + 581 = 70301
Step 122: 70301 + 581 = 70882
Step 123: 70882 + 581 = 71463
Step 124: 71463 + 581 = 72044
Step 125: 72044 + 581 = 72625
Step 126: 72625 + 581 = 73206
Step 127: 73206 + 581 = 73787
Step 128: 73787 + 581 = 74368
Step 129: 74368 + 581 = 74949
Step 130: 74949 + 581 = 75530
Step 131: 75530 + 581 = 76111
Step 132: 76111 + 581 = 76692
Step 133: 76692 + 581 = 77273
Step 134: 77273 + 581 = 77854
Step 135: 77854 + 581 = 78435
Step 136: 78435 + 581 = 79016
Step 137: 79016 + 581 = 79597
Step 138: 79597 + 581 = 80178
Step 139: 80178 + 581 = 80759
Step 140: 80759 + 581 = 81340
Step 141: 81340 + 581 = 81921
Step 142: 81921 + 581 = 82502
Step 143: 82502 + 581 = 83083
Step 144: 83083 + 581 = 83664
Step 145: 83664 + 581 = 84245
Step 146: 84245 + 581 = 84826
Step 147: 84826 + 581 = 85407
Step 148: 85407 + 581 = 85988
Step 149: 85988 + 581 = 86569
Step 150: 86569 + 581 = 87150
Step 151: 87150 + 581 = 87731
Step 152: 87731 + 581 = 88312
Step 153: 88312 + 581 = 88893
Step 154: 88893 + 581 = 89474
Step 155: 89474 + 581 = 90055
Step 156: 90055 + 581 = 90636
Step 157: 90636 + 581 = 91217
Step 158: 91217 + 581 = 91798
Step 159: 91798 + 581 = 92379
Step 160: 92379 + 581 = 92960
Step 161: 92960 + 581 = 93541
Step 162: 93541 + 581 = 94122
Step 163: 94122 + 581 = 94703
Step 164: 94703 + 581 = 95284
Step 165: 95284 + 581 = 95865
Step 166: 95865 + 581 = 96446
Step 167: 96446 + 581 = 97027
Step 168: 97027 + 581 = 97608
Step 169: 97608 + 581 = 98189
Step 170: 98189 + 581 = 98770
Step 171: 98770 + 581 = 99351
Step 172: 99351 + 581 = 99932
Step 173: 99932 + 581 = 100513
Step 174: 100513 + 581 = 101094
Step 175: 101094 + 581 = 101675
Step 176: 101675 + 581 = 102256
Step 177: 102256 + 581 = 102837
Step 178: 102837 + 581 = 103418
Step 179: 103418 + 581 = 103999
Step 180: 103999 + 581 = 104580
Step 181: 104580 + 581 = 105161
Step 182: 105161 + 581 = 105742
Step 183: 105742 + 581 = 106323
Step 184: 106323 + 581 = 106904
Step 185: 106904 + 581 = 107485
Step 186: 107485 + 581 = 108066
Step 187: 108066 + 581 = 108647
Step 188: 108647 + 581 = 109228
Step 189: 109228 + 581 = 109809
Step 190: 109809 + 581 = 110390
Step 191: 110390 + 581 = 110971
Step 192: 110971 + 581 = 111552
Step 193: 111552 + 581 = 112133
Step 194: 112133 + 581 = 112714
Step 195: 112714 + 581 = 113295
Step 196: 113295 + 581 = 113876
Step 197: 113876 + 581 = 114457
Step 198: 114457 + 581 = 115038
Step 199: 115038 + 581 = 115619
Step 200: 115619 + 581 = 116200
Step 201: 116200 + 581 = 116781
Step 202: 116781 + 581 = 117362
Step 203: 117362 + 581 = 117943
Step 204: 117943 + 581 = 118524
Step 205: 118524 + 581 = 119105
Step 206: 119105 + 581 = 119686
Step 207: 119686 + 581 = 120267
Step 208: 120267 + 581 = 120848
Step 209: 120848 + 581 = 121429
Step 210: 121429 + 581 = 122010
Step 211: 122010 + 581 = 122591
Step 212: 122591 + 581 = 123172
Step 213: 123172 + 581 = 123753
Step 214: 123753 + 581 = 124334
Step 215: 124334 + 581 = 124915
Step 216: 124915 + 581 = 125496
Step 217: 125496 + 581 = 126077
Step 218: 126077 + 581 = 126658
Step 219: 126658 + 581 = 127239
Step 220: 127239 + 581 = 127820
Step 221: 127820 + 581 = 128401
Step 222: 128401 + 581 = 128982
Step 223: 128982 + 581 = 129563
Step 224: 129563 + 581 = 130144
Step 225: 130144 + 581 = 130725
Step 226: 130725 + 581 = 131306
Step 227: 131306 + 581 = 131887
Step 228: 131887 + 581 = 132468
Step 229: 132468 + 581 = 133049
Step 230: 133049 + 581 = 133630
Step 231: 133630 + 581 = 134211
Step 232: 134211 + 581 = 134792
Step 233: 134792 + 581 = 135373
Step 234: 135373 + 581 = 135954
Step 235: 135954 + 581 = 136535
Step 236: 136535 + 581 = 137116
Step 237: 137116 + 581 = 137697
Step 238: 137697 + 581 = 138278
Step 239: 138278 + 581 = 138859
Step 240: 138859 + 581 = 139440
Step 241: 139440 + 581 = 140021
Step 242: 140021 + 581 = 140602
Step 243: 140602 + 581 = 141183
Step 244: 141183 + 581 = 141764
Step 245: 141764 + 581 = 142345
Step 246: 142345 + 581 = 142926
Step 247: 142926 + 581 = 143507
Step 248: 143507 + 581 = 144088
Step 249: 144088 + 581 = 144669
Step 250: 144669 + 581 = 145250
Step 251: 145250 + 581 = 145831
Step 252: 145831 + 581 = 146412
Step 253: 146412 + 581 = 146993
Step 254: 146993 + 581 = 147574
Step 255: 147574 + 581 = 148155
Step 256: 148155 + 581 = 148736
Step 257: 148736 + 581 = 149317
Step 258: 149317 + 581 = 149898
Step 259: 149898 + 581 = 150479
Step 260: 150479 + 581 = 151060
Step 261: 151060 + 581 = 151641
Step 262: 151641 + 581 = 152222
Step 263: 152222 + 581 = 152803
Step 264: 152803 + 581 = 153384
Step 265: 153384 + 581 = 153965
Step 266: 153965 + 581 = 154546
Step 267: 154546 + 581 = 155127
Step 268: 155127 + 581 = 155708
Step 269: 155708 + 581 = 156289
Step 270: 156289 + 581 = 156870
Step 271: 156870 + 581 = 157451
Step 272: 157451 + 581 = 158032
Step 273: 158032 + 581 = 158613
Step 274: 158613 + 581 = 159194
Step 275: 159194 + 581 = 159775
Step 276: 159775 + 581 = 160356
Step 277: 160356 + 581 = 160937
Step 278: 160937 + 581 = 161518
Step 279: 161518 + 581 = 162099
Step 280: 162099 + 581 = 162680
Step 281: 162680 + 581 = 163261
Step 282: 163261 + 581 = 163842
Step 283: 163842 + 581 = 164423
Step 284: 164423 + 581 = 165004
Step 285: 165004 + 581 = 165585
Step 286: 165585 + 581 = 166166
Step 287: 166166 + 581 = 166747
Step 288: 166747 + 581 = 167328
Step 289: 167328 + 581 = 167909
Step 290: 167909 + 581 = 168490
Step 291: 168490 + 581 = 169071
Step 292: 169071 + 581 = 169652
Step 293: 169652 + 581 = 170233
Step 294: 170233 + 581 = 170814
Step 295: 170814 + 581 = 171395
Step 296: 171395 + 581 = 171976
Step 297: 171976 + 581 = 172557
Step 298: 172557 + 581 = 173138
Step 299: 173138 + 581 = 173719
Step 300: 173719 + 581 = 174300
Step 301: 174300 + 581 = 174881
Step 302: 174881 + 581 = 175462
Step 303: 175462 + 581 = 176043
Step 304: 176043 + 581 = 176624
Step 305: 176624 + 581 = 177205
Step 306: 177205 + 581 = 177786
Step 307: 177786 + 581 = 178367
Step 308: 178367 + 581 = 178948
Step 309: 178948 + 581 = 179529
Step 310: 179529 + 581 = 180110
Step 311: 180110 + 581 = 180691
Step 312: 180691 + 581 = 181272
Step 313: 181272 + 581 = 181853
Step 314: 181853 + 581 = 182434
Step 315: 182434 + 581 = 183015
Step 316: 183015 + 581 = 183596
Step 317: 183596 + 581 = 184177
Step 318: 184177 + 581 = 184758
Step 319: 184758 + 581 = 185339
Step 320: 185339 + 581 = 185920
Step 321: 185920 + 581 = 186501
Step 322: 186501 + 581 = 187082
Step 323: 187082 + 581 = 187663
Step 324: 187663 + 581 = 188244
Step 325: 188244 + 581 = 188825
Step 326: 188825 + 581 = 189406
Step 327: 189406 + 581 = 189987
Step 328: 189987 + 581 = 190568
Step 329: 190568 + 581 = 191149
Step 330: 191149 + 581 = 191730
Step 331: 191730 + 581 = 192311
Step 332: 192311 + 581 = 192892
Step 333: 192892 + 581 = 193473
Step 334: 193473 + 581 = 194054
Step 335: 194054 + 581 = 194635
Step 336: 194635 + 581 = 195216
Step 337: 195216 + 581 = 195797
Step 338: 195797 + 581 = 196378
Step 339: 196378 + 581 = 196959
Step 340: 196959 + 581 = 197540
Step 341: 197540 + 581 = 198121
Step 342: 198121 + 581 = 198702
Step 343: 198702 + 581 = 199283
Step 344: 199283 + 581 = 199864
Step 345: 199864 + 581 = 200445
Step 346: 200445 + 581 = 201026
Step 347: 201026 + 581 = 201607
Step 348: 201607 + 581 = 202188
Step 349: 202188 + 581 = 202769
Step 350: 202769 + 581 = 203350
Step 351: 203350 + 581 = 203931
Step 352: 203931 + 581 = 204512
Step 353: 204512 + 581 = 205093
Step 354: 205093 + 581 = 205674
Step 355: 205674 + 581 = 206255
Step 356: 206255 + 581 = 206836
Step 357: 206836 + 581 = 207417
Step 358: 207417 + 581 = 207998
Step 359: 207998 + 581 = 208579
Step 360: 208579 + 581 = 209160
Step 361: 209160 + 581 = 209741
Step 362: 209741 + 581 = 210322
Step 363: 210322 + 581 = 210903
Step 364: 210903 + 581 = 211484
Step 365: 211484 + 581 = 212065
Step 366: 212065 + 581 = 212646
Step 367: 212646 + 581 = 213227
Step 368: 213227 + 581 = 213808
Step 369: 213808 + 581 = 214389
Step 370: 214389 + 581 = 214970
Step 371: 214970 + 581 = 215551
Step 372: 215551 + 581 = 216132
Step 373: 216132 + 581 = 216713
Step 374: 216713 + 581 = 217294
Step 375: 217294 + 581 = 217875
Step 376: 217875 + 581 = 218456
Step 377: 218456 + 581 = 219037
Step 378: 219037 + 581 = 219618
Step 379: 219618 + 581 = 220199
Step 380: 220199 + 581 = 220780
Step 381: 220780 + 581 = 221361
Step 382: 221361 + 581 = 221942
Step 383: 221942 + 581 = 222523
Step 384: 222523 + 581 = 223104
Step 385: 223104 + 581 = 223685
Step 386: 223685 + 581 = 224266
Step 387: 224266 + 581 = 224847
Step 388: 224847 + 581 = 225428
Step 389: 225428 + 581 = 226009
Step 390: 226009 + 581 = 226590
Step 391: 226590 + 581 = 227171
Step 392: 227171 + 581 = 227752
Step 393: 227752 + 581 = 228333
Step 394: 228333 + 581 = 228914
Step 395: 228914 + 581 = 229495
Step 396: 229495 + 581 = 230076
Step 397: 230076 + 581 = 230657
Step 398: 230657 + 581 = 231238
Step 399: 231238 + 581 = 231819
Step 400: 231819 + 581 = 232400
Step 401: 232400 + 581 = 232981
Step 402: 232981 + 581 = 233562
Step 403: 233562 + 581 = 234143
Step 404: 234143 + 581 = 234724
Step 405: 234724 + 581 = 235305
Step 406: 235305 + 581 = 235886
Step 407: 235886 + 581 = 236467
Step 408: 236467 + 581 = 237048
Step 409: 237048 + 581 = 237629
Step 410: 237629 + 581 = 238210
Step 411: 238210 + 581 = 238791
Step 412: 238791 + 581 = 239372
Step 413: 239372 + 581 = 239953
Step 414: 239953 + 581 = 240534
Step 415: 240534 + 581 = 241115
Step 416: 241115 + 581 = 241696
Step 417: 241696 + 581 = 242277
Step 418: 242277 + 581 = 242858
Step 419: 242858 + 581 = 243439
Step 420: 243439 + 581 = 244020
Step 421: 244020 + 581 = 244601
Step 422: 244601 + 581 = 245182
Step 423: 245182 + 581 = 245763
Step 424: 245763 + 581 = 246344
Step 425: 246344 + 581 = 246925
Step 426: 246925 + 581 = 247506
Step 427: 247506 + 581 = 248087
Step 428: 248087 + 581 = 248668

So, 581*428 = 248668